The amateur breaststroke 1000 m comparison table, from the lowest level P10 to the highest level L20, has a total of 20 levels.
P10-P5 levels are both slag grades and primary grades.
The P4-P1 is a novice level
L1-L2 basically touched the doorway
L3-L4 is already a pro level
L5-L6 can play in professional leagues
L7 or above is basically the Olympic level, and then it is the god of Sun Yang or Philip and Luo Xuejuan
Amateur breaststroke 1000 m cross-reference table reference

Amateur breaststroke 1000 meters comparison table, is used by many universities or professional institutions to refer to the strength level of the players, breaststroke is the first signature posture for many people to learn to swim, breaststroke is the slowest of the four swimming postures. Therefore, like Philip or Sun Yang generally will not use this posture to swim, in general, an ordinary person who has not been trained for more than a year can basically reach the entry level, if there is talent, he can reach the level of more than 19 minutes of the master level.
The next step is the individual effort + talent, if you reach the legendary level, you can participate in the Olympic Games, breaststroke to improve the speed, you must start from three aspects: reduce resistance, physical training, appropriate strength training.
In the Chinese swimming circle, there may be Sun Yang, Ye Shiwen, Ning Zetao and other master star players, but their main strength is not breaststroke, in the Chinese breaststroke circle, the most powerful god is Luo Xuejuan, born in 1984.
Luo Xuejuan is the most outstanding breaststroke talent in the history of the Chinese swimming team, because of her breaststroke talent at the age of 16, she represented the national team in the 2000 Sydney Olympic Games, although she did not win the gold medal, but her talent showed it.
It was gold that always shone, and then she won 3 gold medals in the breaststroke event at the World Championships, but her peak was not over, and she won the championship again at the next World Championships, making history. It is the first athlete in China to win a consecutive gold medal in the breaststroke at the Swimming World Championships.
At the same time in the 2004 Athens Olympic Games, she also won the breaststroke gold medal, fulfilled her Olympic gold medal dream, unfortunately at the age of 23, before the start of the 2008 Beijing Olympic Games, she retired due to injury, her body caused a very serious impact can no longer insist on the competition.
If you refer to the amateur breaststroke 1000-meter comparison table, Luo Xuejuan is the top master of breaststroke who is even more powerful than the legendary level and the perverted level.